mirror of
https://github.com/whoisclebs/lodash.git
synced 2026-02-01 15:57:48 +00:00
32 lines
713 B
JavaScript
32 lines
713 B
JavaScript
/**
|
|
* The base implementation of `slice`.
|
|
*
|
|
* @private
|
|
* @param {Array} array The array to slice.
|
|
* @param {number} [start=0] The start position.
|
|
* @param {number} [end=array.length] The end position.
|
|
* @returns {Array} Returns the slice of `array`.
|
|
*/
|
|
function baseSlice(array, start, end) {
|
|
let index = -1
|
|
let { length } = array
|
|
|
|
if (start < 0) {
|
|
start = -start > length ? 0 : (length + start)
|
|
}
|
|
end = end > length ? length : end
|
|
if (end < 0) {
|
|
end += length
|
|
}
|
|
length = start > end ? 0 : ((end - start) >>> 0)
|
|
start >>>= 0
|
|
|
|
const result = new Array(length)
|
|
while (++index < length) {
|
|
result[index] = array[index + start]
|
|
}
|
|
return result
|
|
}
|
|
|
|
export default baseSlice
|